The new figures show it was the fifth consecutive month of decline for UK automakers and represents the worst November performance since 1984 as the worldwide shortage of semiconductors continues to bite.
It also reflects the loss of output arising from the closure of a UK car factory in the summer, a situation that will impact year-on-year comparisons until July 2022.
British production of battery electric, plug-in hybrid and hybrid cars took a record share of production, accounting for around a third (32.7 per cent) of all cars made in the month, and more than a quarter (25.5 per cent) over the year-to-date.
EV output in particular was up in November by 52.9 per cent to 10,359 units, hitting a new high of 13.7 per cent of all production, more than double the level a year ago.
With the UK heading towards a total ban of fossil-fuel-powered cars by 2030, purchases of EVs have been soaring.
But MPs on the Public Accounts Committee warned this year that...